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64214c2b95
It turns out all the drivers that are using this immediately call into another function, so just make that function directly into the op. This makes paging=NULL for domain_alloc_user and we can remove the argument in the next patch. The function mirrors the similar op in the viommu that allocates a nested domain on top of the viommu's nesting parent. This version supports cases where a viommu is not being used. Link: https://patch.msgid.link/r/1-v1-c252ebdeb57b+329-iommu_paging_flags_jgg@nvidia.com Reviewed-by: Lu Baolu <baolu.lu@linux.intel.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>